Many different gps companies are available. Garmin is a leading gps company. There is quite a list of companies available at this site: http://www.list-of-companies.org/Consumer_Electronics/Navigation_GPS/
There are a couple of GPS programs available that are compatible with Dell laptops. They are made by the companies Avanquest as well as the popular Garmin.
Most companies default this GPS tracking watch with a one year limited liability warranty. This is available from the manufacturer, with no additional retail cost to you as a customer.
There are many GPS apps which are available on Google Play. Some include GPS Essentials, GPS Tracking Pro, GPS Speedometer and TeleNav GPS Navigator.
a gps helps companies by not having to work as hard as goning in an grocery store
There are companies such as miragetracker who say they have that electronics. The magazine GPS in June of 2008 had a story on what is available, where from, how much it is, and who can track your child.
The options that are available on Garmin GPS watch is you can have your own gps, and you can download music on it and you can also put games on your gps whenever you get bored.
Sprint/Nextel and AT&T are two companies that offer GPS capabilities.
There are several companies that offer pet gps technology. One is called the Global Pet Finder. The gps can usually be attached right to your pets collar.
There are a few companies that will allow you to pay for a program and then use the GPS for free. But US Cellular seems to also offer the free GPS tracking feature.
I have seen Enterprise locations have these available. But depending on how long you are renting the car, it might be cheaper for you to just buy your own GPS and bring it with you. Renting a GPS can cost $20/day or more.
The cheapest Garmin GPS is the Nuvi 205 3.5" Portable GPS. It is available at Walmart: http://www.walmart.com/ip/Garmin-nuvi-205-3.5-Portable-GPS-Black/13020913.
All you need is a GPS receiver from companies like Garmin, Tomtom etc.